Question about Umax Astra 3400 Flatbed Scanner

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Scanner leaves lines like watermarks in an image

Photos are scanned at different resolutions and formats; they always have these vertical lines in the image. How do I fix?

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  • Umax Master
  • 19,396 Answers

The scanner must be cleaned internally.

If you get same problem after cleaning the scanner, then this is caused by a defective sensor array (the device that "capture" the picture) inside the scanner.

Posted on Feb 09, 2009

  • Ginko
    Ginko Feb 09, 2009

    You need to take apart the scanner, and clean the glass and the mirror surface.
    More likely you will have to replace the array sensor assembly, that is that bar near to the lamp.


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Scanner leaving black streaks


There are two possible fixes.

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The following is provided by courtesy of Lexmark:
Problem Vertical lines; Auto document feeder scan anomaly; ADF scanning problem; Scan issue; Scanner issue; Visible line; Streaks show on page; solid line down the page; Top to bottom line; Smudge runs down the page; Opaque line; Broken line; Bar all the way down the page Solution Overview

This article provides the self-diagnostic steps necessary to evaluate top-to-bottom streaks that appear when copying or scanning.

Important! This is seldom a scanner hardware failure.

The main reason for this anomaly is debris or marks on the scanner glass that is used for Auto document feeder (ADF) page scans.

Printed or Scanned Page Illustration

copyvertstreaks.jpg

Who should consider this article?

Any user of an MFP or All-In-One printer experiencing the following symptoms:

  • -Vertical lines only when using the Autodocument Feeder (ADF).
  • -Observed with any type of scan job (e-mail, ftp, solutions, fax).
  • -However, normal expected output when the page is scanned from the scanner flatbed.



ADF scan behavior

Think of it this way:

  • -The page is pulled from the ADF.
  • -The moving page slides across an ADF-designated portion of glass.
  • -The image sensor, which is located under the glass, reads and interprets the moving page's contents.
  • -Contamination on this ADF glass is seen by the image sensor for the entire length of the page.
  • -The image processor interprets the image sensor's repeated capture of this contamination as a vertical solid line.
  • -Any ADF scan function now exhibits a vertical line.



adfvertscanline.gif




Suggested Diagnosis and Fix




Step Action 1 Locate the portion of the glass designated for ADF scans.
HINT: The glass location differs by model. This area is often separate from the scanner flatbed. Please reference User's Guide for more information if you are having a difficult time locating this designated area.
2 Perform a visual inspection for any of the following recurring culprits:

  • -Clear adhesive tape
  • -Glue
  • -Ink pen
  • -Paper
  • -Marker
  • -White out
  • -Staples
  • -Environmental dust or dirt
HINT: Ink marks can be especially hard to see and almost translucent at first sight. However, the image sensor (CCD) registers them as a mark. 3 Use a clean, soft, moistened cloth to thoroughly clean and remove any marks or debris. 4 Inspect the underbelly or underside of the ADF for any marks or debris. 5 Perform another scan to see if cleaning the glass alleviated the issue. 6 Repeat the procedure if a vertical line still appears.
Remember! Printing and scanning from the scanner flatbed work fine.
7 This time, place an intentional mark on a blank sheet of paper and take note of its location. Now place that sheet of paper in the ADF and make a copy.
8 Evaluate the distance of the vertical line to the your mark. 9 Inspect that area of the glass for further debris or marks and clean as necessary.




Other Possibilities


If... Then... Vertical lines appear only when printing... Consider other printer-related topics such as toner cartridge, charge roll, photoconductor, transfer roll, or fuser. Contact Lexmark Technical Support. Vertical lines appear when you lay the page on the flatbed... Consider other printer-related topics such as toner cartridge, charge roll, photoconductor, transfer roll, or fuser. Contact Lexmark Technical Support. Vertical lines appear on ADF-fed printed copies, but they do not appear on scan-to-network [e-mail, FTP, folder (PC), solutions]... Consider other printer-related topics such as toner cartridge, charge roll, photoconductor, transfer roll, or fuser. Contact Lexmark Technical Support.


May 01, 2012 | Lexmark International LEX90T9005 Inkjet...

1 Answer

Canon scanner speed slow


Various ways....Try these! the slow problem wil get off

How to change the resolution (Windows)
The precision of printouts can be improved by changing scanning resolution.
The higher the scanning resolution is, the more precise the scanned images are represented, however, the file size gets larger.
The scanning resolution can be changed before scanning photos.
Note: When the scanning resolution is doubled, the image data size will be quadrupled.
When the data size is large, the throughput speed may slow down or may occupy too much of the computer's resources (memory).

<Procedures>
Memo: The following is explained using MP Navigator 3.0 procedures.
To scan using MP Navigator:
1. Launch MP Navigator and click Photos/Documents (Platen) on the Scan/Import tab.
80006642en_05sj00759_en_00.jpg- The window you see varies according to the printer model.
2. When the Photos/Documents (Platen) window is displayed, click Specify.
80006642en_05sj00760_en_02.jpg
3. When the Scan Settings window is displayed, select the resolution in Scanning Resolution.
If necessary, set other items as well.
80006642en_05sj00760_en_03.jpg
4. Click OK.
5. In the Photos/Documents (Platen) window, click Scan to start scanning.
6. Changing the resolution is completed.


To scan using the scanner driver:
1. Launch MP Navigator and click Open Scanner Driver on the Scan/Import tab.
80006642en_05sj00765_en_01.jpg- The window you see varies according to the printer model.
2. Change the resolution.
According to your purpose, set the resolution in Simple Mode with ease, or in Advanced Mode with a detailed setting.
- To set the resolution in Simple Mode:
(1) Select the Simple Mode tab.
(2) Select the output resolution from the Destination pulldown menu.
If necessary, set other items.
80006642en_05sj00760_en_05.jpg
- To set the resolution in Advanced Mode:
(1) Select the Advanced Mode tab.
(2) In Output Resolution, select one of the preset resolution, or enter the number from 25 to 19200 to specify your favorite resolution.
If necessary, set other items.
80006642en_05sj00760_en_06.jpg
3. Click Scan to start scanning.
4. Changing the resolution is completed.

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1 Answer

Xerox WorkCentre 4150, 3 vertical white lines in all feeder scans


the problem is in the scanner, open it up and see if you can find any smudges, and clean any obstruction, any ink, liquid eraser residuals, can cause this part to appear as lines on your copied faxed image.
dont concentrate on the printer this is a scanner problem

Jul 28, 2009 | Xerox WorkCentre 4150/X Laser Printer

1 Answer

I have vertical lines in my photos when i scan them


If the lines are in the same location for all scanned outputs, it is clearly dust on the scanner glass. Clean it thoroughly.
S. Mohan, India

Jul 04, 2009 | Epson Perfection V350 Flatbed Scanner

1 Answer

Vertical lines like wallpaper on my photos


you should try to clean the glass on your scanner.or clean the printer ink heads.

Dec 22, 2008 | Visioneer XP100 Strobe Mobile Scanner USB

1 Answer

The scanner copies three photos as one


Assuming you're using the Epson Scan software, select Home or Professional mode and click Preview. When the preview image appears, draw a marquee around each of the three photos. (Note that as you draw each marquee the number beneath the little image of a marquee - the white square with the dotted line around it - increases.) After drawing your marquees, click the All button, then click Scan. The scanner should make three separate passes in succession, producing three separate images.

Nov 24, 2008 | Epson Perfection V200 Flatbed Scanner

1 Answer

HP 5610 scanner won't save image


I just need to understand the exact issue. It sounds like you are able to successfully scan, see the preview of the scanned image, and you initially save it. Then, when you go to open the saved image, you don't see the image you scanned but rather a "line". You've saved the image in a number of different image formats, but there's no difference in the result. It saves the scanned image to the location you want to save it on your computer's hard drive (probably My Pictures if you're using a Windows operating system).

Not sure what you mean by a "line". Do you mean a vertical line, a horizontal line, a diagonal line or what? Also, is it just a solid black line on a white background? Is it the image you scanned compressed into a smaller vertical or horizontal space?

Have to tried scanning both text pages and graphic pages? There have been issues where a document with both text and pictures has been scanned but when the scanned image is viewed, only the text appears. The pictures don't make it. The description of this specific problem is at HP.com.

I take it you don't get any sort of error message associated with this problem. Unfortunately, I can't find your specific problem at HP.com beyond the link I posted in the above paragraph. If you can answer some of the questions I asked, it might help me provide a better solution.

Thanks.

Sep 25, 2008 | HP Officejet 5610 All-In-One InkJet...

1 Answer

Scan images file size seems very large


That entirely depends on your scan settings. The resolution has a huge impact on file size - doubling the resolution from, say. 150dpi to 300dpi actually quadruples your file size. That being said, your scans are probably saved as BMPs. If you scan to Paint or a proprietary image editor (like Photoshop), then you can save in a compressed format like JPG or PNG and reduce the file size some more.

Bottom line - if you're scanning a full size (8.5x11) page, then less than 2MB per page is pretty decent, especially if the file is a BMP. If these are 4x6 photos, then it's still not bad if you're using a resolution like 300dpi. My digital camera takes photos at 5megapixels and the files are often 1-2MB each, and those are just photos.

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1 Answer

Scanned image has a line running through it


This could be one faulty sensor pixel or a speck of dirt on the scanner bar. It might be worth opening the scanner and carefully dusting the bar with a camera cleaner aerosol.

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